InsiderTrades

Whittenburg Mark G

SEC CIK 1866737 · EDGAR

Buying vs selling by month open-market trades, last 50 months, CNM
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
CNMCore & Main, Inc.GC, Sec 8,525 — $16.91M 352022-03-112026-03-11

Most active insiders at CNM, 12 months

#InsiderTitleBoughtSold
1 Bradbury Robyn LCFO —$262.7K
2 Hope James DDir $195.1K—
3 Harper Carla DSenior VP, Human Resources ——
4 Stephens John WeldonCAO ——
5 Kimbrough Orvin TDir ——
6 Witkowski Mark RCEO, Dir ——
7 Whittenburg Mark GGC, Sec ——
8 Giles Jeffrey DEVP, Corp. Development ——
9 Castellano James GDir ——
10 Gipson Dennis GDir ——

Transactions 35

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-03-13 2026-03-11 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec F - Tax $49.16 -331 8,525 -4% -$16.3K
M 2026-03-11 2026-03-09+ CNM Core & Main, Inc. Whittenburg Mark G GC, Sec F - Tax $49.57 -835 9,413 -8% -$41.4K
DM 2025-06-10 2025-06-06+ CNM Core & Main, Inc. Whittenburg Mark G GC, Sec S - Sale $60.03 -50.0K 9,691 -84% -$3.00M
DM 2025-06-10 2025-06-06+ CNM Core & Main, Inc. Whittenburg Mark G GC, Sec C - Cnv Deriv $0.00 +50.0K 58.8K +569% $0
D 2025-03-17 2025-03-13 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec A - Grant $0.00 +3,411 9,691 +54% $0
2025-03-13 2025-03-11 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec F - Tax $46.55 -510 6,280 -8% -$23.7K
M 2025-03-11 2025-03-07+ CNM Core & Main, Inc. Whittenburg Mark G GC, Sec F - Tax $47.06 -877 7,389 -11% -$41.3K
DM 2025-01-17 2025-01-15+ CNM Core & Main, Inc. Whittenburg Mark G GC, Sec S - Sale $55.14 -50.0K 7,667 -87% -$2.76M
DM 2025-01-17 2025-01-15+ CNM Core & Main, Inc. Whittenburg Mark G GC, Sec C - Cnv Deriv $0.00 +50.0K 9,641 New $0
D 2025-01-14 2025-01-10 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec S - Sale $50.49 -50.0K 7,667 -87% -$2.52M
D 2025-01-14 2025-01-10 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec C - Cnv Deriv $0.00 +46.5K 57.7K +414% $0
DM 2025-01-14 2023-03-13+ CNM Core & Main, Inc. Whittenburg Mark G GC, Sec F - Tax $38.76 -1,718 11.7K -13% -$66.6K
D 2024-04-23 2024-04-19 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec C - Cnv Deriv $0.00 +50.0K 62.9K +387% $0
D 2024-04-23 2024-04-19 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec S - Sale $54.08 -50.0K 12.9K -79% -$2.70M
D 2024-03-26 2024-03-22 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec C - Cnv Deriv $0.00 +49.9K 62.9K +384% $0
D 2024-03-26 2024-03-22 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec S - Sale $57.91 -50.0K 12.9K -79% -$2.90M
DI 2024-03-26 2024-03-22 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec J - Other $0.00 -60 0 -100% $0
D 2024-03-26 2024-03-22 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec J - Other $0.00 +60 13.0K +0.5% $0
D 2024-03-11 2024-03-07 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec A - Grant $0.00 +2,421 12.9K +23% $0
D 2023-04-17 2023-04-13 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec S - Sale $25.06 -31.2K 10.5K -75% -$782.0K
D 2023-04-17 2023-04-13 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec C - Cnv Deriv $0.00 +31.2K 41.7K +297% $0
D 2023-03-14 2023-03-10 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec A - Grant $0.00 +5,226 10.5K +99% $0
D 2023-03-07 2023-03-03 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec C - Cnv Deriv $0.00 +31.2K 36.5K +590% $0
D 2023-03-07 2023-03-03 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec S - Sale $24.02 -31.2K 5,286 -86% -$749.5K
D 2023-02-28 2023-02-24 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec C - Cnv Deriv $0.00 +24.8K 30.1K +469% $0
D 2023-02-28 2023-02-24 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec S - Sale $23.04 -24.8K 5,286 -82% -$571.2K
D 2023-02-22 2023-02-17 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec C - Cnv Deriv $0.00 +6,411 11.7K +121% $0
D 2023-02-22 2023-02-17 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec S - Sale $23.06 -6,411 5,286 -55% -$147.8K
D 2022-09-13 2022-09-09 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec C - Cnv Deriv $0.00 +19.7K 25.0K +373% $0
D 2022-09-13 2022-09-09 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec S - Sale $24.78 -19.7K 5,286 -79% -$488.9K
DI 2022-08-18 2022-08-16 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec J - Other $0.00 -303 60 -83% $0
D 2022-08-18 2022-08-16 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec J - Other $0.00 +303 5,589 +6% $0
DM 2022-08-18 2022-08-16+ CNM Core & Main, Inc. Whittenburg Mark G GC, Sec S - Sale $24.79 -11.5K 5,286 -68% -$284.4K
DM 2022-08-18 2022-08-16+ CNM Core & Main, Inc. Whittenburg Mark G GC, Sec C - Cnv Deriv $0.00 +11.2K 11.5K +3,813% $0
D 2022-03-15 2022-03-11 CNM Core & Main, Inc. Whittenburg Mark G GC, Sec A - Grant $0.00 +5,286 5,286 New $0

Purchase Sale Sale after option exercise All abbreviations